The "Welcome", "What's New" page was certainly a nice touch in v3.3, tho it did occur to me that it might not 'wear' as well as hoped.

In the case of v3.3.1, I took it that the Dev crew had - 'natch - been running butts to a frazzle, stomping out all the (usual, predictable) spot-fires, and now they just needed to tie up the loose ends and get the new package out the door - ASAP.

So ... the loving editing that went into making "Welcome v1.0" so nice & smooth ... became just a partial edit to quickly-insert what had to happen, for WP_v3.3.1.

It might be, "Welcome" et al should be on the Dot Org site, and our Admin should just have a link, instead of another installed panel. Then, editing of it can be on-going.